DC Generators When two D.C. generators are running in parallel an equalizer bar is used To increase the series flux To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Magnetic bearings Ball bearings Bush bearings Needle bearings Magnetic bearings Ball bearings Bush bearings Needle bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The nature of armature winding of a dc machine is decided by Commutator pitch None of the listed here Back pitch Front pitch Commutator pitch None of the listed here Back pitch Front pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole duplex lap winding will have ______ parallel paths. 4 8 16 32 4 8 16 32 ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 10 percent 25 percent 40 percent 5 percent 10 percent 25 percent 40 percent 5 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 50% regulation 100% regulation Infinite regulation 1% regulation 50% regulation 100% regulation Infinite regulation 1% regulation ANSWER DOWNLOAD EXAMIANS APP